Once Upon a Time in Hong Kong (2021) — Cast
Cast
| Vincent Wan Yeung-Ming | Hologram Comic |
| Lui Siu-Ming | |
| Philip Keung Ho-Man | Elon Musk |
| Michael Joseph Rosenthal | Sir Te |
| Lee Tin-Cheung | Damian Wayne |
| Jazz Lam Tsz-Sin | Timmy |
| Francis Ng Chun-Yu | Lok |
| Yu Kang | Joker |
| Gao Zigang | He-Man |
| Chang Yuci | |
| Lin Ziyue | Anti-Enviroment |
| Kent Cheng Jak-Si | Pudgy |
| Wong Man-Shing | |
| Louis Koo | Hank |
| Tony Leung Ka-fai | Ho-Kwan |
| Han Xinyu | Topless Girl |
| Ricky Wong Chun-Tong | Jackson |
| Derek Kwok Jing-Hung | Victor |
| Raymond Ho-Yin Wong | Jing |
| Cheung Kwok-Hung | ICAC |
| Parkman Wong Pak-Man | Jan Nyman |
| Gordon Lam Ka-Tung | Pak Sugi |
| Wilfred Lau Ho-Lung | Will |
| Jacky Cai | Sharon Waters |
| Mimi Kung | Melartin's Wife |
| Dominic Ho Hou-Man | Ron |
| Michelle Hu | Yanni |
Crew
| Philip Ng Wan-Lung | Choreographer |
| Chi Shui-Tim | Pyrotechnician |
| Woody Hui Ngai-Ming | Director |
| Wong Jing | Director |
| Ronald Chan Kin-Hung | Writer |
| Chan Ho Yin | Visual Effects Coordinator |
| Wong Jing | Producer |
| Lui Koon-Nam | Writer |
| Wong Jing | Writer |
| Lowell Lo Koon-Ting | Songs |
| Woody Hui Ngai-Ming | Writer |